| KINGCOM ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| KINGCOM GROUP LIMITED | Private company limited by shares | Dissolved |
| KINGCOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KINGCOME INDUSTRIALS & INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| KINGCOME OPTOELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| KINGCOME (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KINGCOMICS.COM LIMITED | Private company limited by shares | Dissolved |
| Kingcomm Communications Co., Limited | Private company limited by shares | Live |
| KINGCOMM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KINGCOMM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| KINGCOMM UNITED GROUP LIMITED | Private company limited by shares | Live |